Registered patent attorney

Barbara Elizabeth Johnson

USPTO Reg. 31198

Firm

Barbara E. Johnson, Esq.

Address

555 Grant Street

Suite 323

Pittsburgh, PA, 15219

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Pittsburgh, Pennsylvania

Browse all Pittsburgh patent attorneys →

Frequently asked

Frequently asked about Barbara Elizabeth Johnson

  • Is Barbara Elizabeth Johnson a registered patent attorney?

    Yes. Barbara Elizabeth Johnson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 31198). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Barbara Elizabeth Johnson located?

    Barbara Elizabeth Johnson's office is in Pittsburgh, Pennsylvania (15219). Affiliated with Barbara E. Johnson, Esq..

  • What firm does Barbara Elizabeth Johnson work at?

    Barbara Elizabeth Johnson is listed as affiliated with Barbara E. Johnson, Esq. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Barbara Elizabeth Johnson?

    Barbara Elizabeth Johnson's office phone (per the USPTO public roster) is 412-281-3350. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

build 4315ed5 · 2026-05-22 18:34 EDT